GCF (HCF) of 108 and 144

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What is the Greatest Common Divisor of 108 and 144?

Answer

GCF (HCF) of 108 and 144 is
36

Common factors: 1, 2, 3, 4, 6, 9, 12, 18, 36

36 divides both: 108 ÷ 36 = 3, 144 ÷ 36 = 4 — and 3 and 4 share no factor but 1, so no larger number divides both.

108 = 22 × 33

144 = 24 × 32

Prime108144Lowest power
2222422
3333232

GCF = 22 × 32 = 36

See Also

GCF Table

Number 1Number 2GCF
1081293
1081302
1081311
10813212
1081331
1081342
10813527
1081364
1081371
1081386
1081391
1081404
1081413
1081422
1081431
10814436
1081451
1081462
1081473
1081484
1081491
1081506
1081511
1081524
1081539
1081542
1081551
10815612
1081571
1081582

FAQ

What is the Greatest Common Divisor of 108 and 144?

GCF (HCF) of 108 and 144 is 36

How to find the GCF of 108 and 144?

You can find the GCF of 108 and 144 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 108 and 144 is 36.

What prime factors do 108 and 144 share?

The prime factorizations of 108 and 144 have 2 × 2 × 3 × 3 in common, and multiplying those shared primes gives 36 — exactly the greatest common factor.

How does the GCF reduce the fraction 108/144?

Divide the numerator and the denominator by the GCF 36: 108 ÷ 36 = 3 and 144 ÷ 36 = 4. So 108/144 in lowest terms is 3/4.